People especially like to recall things of the past when theyreach 60 or 70. The past events thatone still remembers or have fadedfrom one's memory would comeback clearly when mentioned by oth-ers. However, as these things hap-pened long time ago, when one wantsto commit them to paper, these mem-ories will become incoherent frag-ments. In memory of my deceasedfriend Dr. Kotnis, I am writing down